Home / 27,922.15-38,532.72-15,175.45

Finding the Fourth Proportional to 27,922.15, 38,532.72 and 15,175.45

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Solution

The fourth proportional to 27,922.15, 38,532.72 and 15,175.45 is: 20,942.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,922.15 : 38,532.72 = 15,175.45 : x
  2. Step 2: Convert to fraction form
    27,922.15/38,532.72 = 15,175.45/x
  3. Step 3: Cross multiply
    27,922.15x = 38,532.72 × 15,175.45
  4. Step 4: Simplify right side
    27,922.15x = 584,751,365.72
  5. Step 5: Solve for x
    x = 584,751,365.72/27,922.15
  6. Step 6: Final answer
    x = 20,942.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.